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Under-Dash Fuse/Relay Box

Fig 1: Under-Dash Fuse/Relay Box Component Location
GHH451885Courtesy of HONDA, U.S.A., INC.
Under-Dash Fuse/Relay Box Legend

Fuse Number Amps Component(s) or Circuit(s) Protected Feature
C1 20 A Power window master switch  
C2 20 A In-bed trunk lid release actuator relay circuit (built into the under-dash fuse/relay box),

In-bed trunk lid release actuator (via in-bed trunk lid release actuator relay circuit (built into the under-dash fuse/relay box)),

No. C19 and No. C20 fuses in the under-dash fuse/relay box (via power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)),

No. C33, No. C34, and No. C41 fuses in the under-dash fuse/relay box (via power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box)),

No. C35 fuse in the under-dash fuse/relay box (via power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box)),

Power door lock relay circuit (DR UNLOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (LOCK) (built into the under-dash fuse/relay box),

Power door lock relay circuit (UNLOCK) (built into the under-dash fuse/relay box)

 
C3 7.5 A Electric steering lock*,

Engine start/stop switch,

Keyless access/TPMS control unit

*: With electric steering lock
C4 20 A Front passenger's power window switch  
C5 20 A Front accessory power socket (via front accessory power socket relay)  
C6 20 A Fuel pump (via PGM-FI main relay 2),

PCM

 
C7 15 A Active control engine mount (ACM) control relay, DC-DC converter, DC-DC converter IG1 relay 2, EVAP canister purge valve, MAF sensor, No. A9 fuses in the under-hood fuse/relay box (via brake pedal position switch), PCM, TCM  
C8 7.5 A Windshield wiper high/low relay circuit (built into the relay circuit board),

Windshield wiper intermittent relay circuit (built into the relay circuit board)

 
C9 7.5 A Electric steering lock*,

Keyless access/TPMS control unit

*: With electric steering lock
C10 10 A SRS unit  
C11 20 A Left rear power window motor (via left rear power window switch)  
C12* 20 A Back power window close relay,

Back power window motor (via back power window close relay),

Back power window motor (via back power window open relay),

Back power window open relay

*: With back power window
C13 20 A Right rear power window motor (via right rear power window switch)  
C14 20 A Fuel fill door opener solenoid relay,

Fuel fill door opener solenoid (via fuel fill door opener solenoid relay),

Moonroof motor-control unit*

*: With moonroof
C15 20 A Power seat control unit* 1,

Rear up-down motor (via driver's power seat adjustment switch)* 2,

Recline motor (via driver's power seat adjustment switch)* 2

*1: With DPMS
*2: With power seat and without DPMS
C16 7.5 A MICU  
C17 20 A Driver's seat-back blower motor* 1,

Driver's seat cushion blower motor* 1,

Front seat heater control unit (via front seat heater relay)* 2, Passenger's seat-back blower motor* 1,

Passenger's seat cushion blower motor* 1,

Ventilated seat control unit (via ventilated seat relay)* 1

*1: With ventilated seat
*2: Without ventilated seat
C18 7.5 A Door courtesy lights* 1, Front individual map lights (via interior lights cut relay), Interior lights cut relay, Rear individual map lights (via interior lights cut relay), Roof console module (via interior lights cut relay)* 2, Vanity mirror lights (via interior lights cut relay)* 3 *1: With courtesy light
*2: With moonroof
*3: With vanity mirror light
C19 10 A Left rear door lock actuator  
C20 10 A Front passenger's door lock actuator,

Right rear door lock actuator

 
C21 7.5 A Front parking lights/daytime running lights/front side marker lights*,

MICU

*: With LED daytime running light
C22 7.5 A MICU  
C23 7.5 A A/C compressor clutch relay, A/C condenser fan relay (via diode), Automatic dimming inside mirror* 7, Climate control unit, Driver's seat heater switch* 2, Driver's ventilated seat heater switch* 1, Fan control relay (via diode), Front blower motor relay, Front passenger's seat heater switch* 2, Front passenger's ventilated seat heater switch* 1, Front seat heater relay* 2, Heated steering wheel relay* 3, Heated windshield wiper area relay* 9, HomeLink ® unit* 8, Power mirror control unit (via power mirror switch)* 4, Power window master switch, Power window master switch (via power mirror switch)* 5, Rear blower motor relay, Rear seat heater relay* 6, Rear window defogger relay, Trailer charge relay, Ventilated seat relay* 1 *1: With ventilated seat
*2: Without ventilated seat
*3: With heated steering wheel
*4: With DPMS
*5: Without DPMS or with retractable mirror
*6: With rear seat heater
*7: With automatic dimming inside mirror
*8: With HomeLink ®
*9: With Heated windshield wiper area
C24 7.5 A Keyless access/TPMS control unit  
C25 7.5 A AC power outlet switch* 1, ACC combination switch (via cable reel and audio remote switch), Audio remote switch (via cable reel), Automatic dimming inside mirror* 12, Beverage holder light* 14, Cargo area light switch, Climate control unit, CMBS OFF switch, Console box light, Dashlights brightness control switch, driver's footwell light* 13, Driver's seat heater switch* 4, Driver's ventilated seat heater switch* 3, ECON switch, Front passenger's airbag CUTOFF indicator, Front passenger's footwell light* 13, Front passenger's seat heater switch* 4, Front passenger's ventilated seat heater switch* 3, Glove box light, Hazard warning switch, Heated steering wheel switch* 5, Heated windshield wiper area switch* 6, HFL switch (via cable reel and audio remote switch)* 17, HFL-navigation voice control switch (via cable reel and audio remote switch)* 16, HomeLink ® switch* 7, Idle stop OFF switch, Intelligent traction management switch* 8, Interior light switch* 11, Moonroof switch* 10, Parking and back-up sensor switch* 15, Power mirror switch, RDM switch light, Rear control panel, Rear seat heater switch* 2, Roof console module* 10, SBW shifter control module, Select/reset/information switch (via cable reel, audio remote switch, and ACC combination switch), Snow switch* 9 *1: With AC power outlet
*2: With rear seat heater
*3: With ventilated seat
*4: Without ventilated seat
*5: With heated steering wheel
*6: With heated windshield wiper area
*7: With HomeLink ®
*8: AWD
*9: 2WD
*10: With moonroof
*11: Without moonroof
*12: With automatic dimming inside mirror
*13: With footwell light
*14: With front beverage holder light
*15: With parking and back-up sensor control unit
*16: With navigation
*17: Without navigation
C26* 7.5 A Driver's lumbar support motor (via driver's lumber support switch) *: With lumbar support
C27 7.5 A Front parking lights/daytime running lights/front side marker lights* 1,

Front parking lights* 2,

Front side marker lights* 2,

License plate lights,

Taillights/rear side marker lights,

Trailer small light relay

*1: With LED daytime running light
*2: Without LED daytime running light
C28 10 A 12 volt battery fan, CAN gateway, i-VTM control unit*, Rear differential pump motor* *: AWD
C29 7.5 A Audio unit (via reverse relay circuit (built into the under-dash fuse/relay box))* 2, Audio-navigation unit (via reverse relay circuit (built into the under-dash fuse/relay box))* 1, Automatic dimming inside mirror (via reverse relay circuit (built into the under-dash fuse/relay box))* 4, Back-up lights (via reverse relay circuit (built into the under-dash fuse/relay box)), DC-DC converter IG1 relay 1, Idle stop OFF switch, MICU (via reverse relay circuit (built into the under-dash fuse/relay box)), MICU, Parking and back-up sensor control unit (via parking and back-up sensor switch)* 5, Parking and back-up sensor control unit* 5, Parking and back-up sensor switch* 5, Power mirror control unit* 3, Power seat control unit* 3, Reverse relay circuit (built into the under-dash fuse/relay box), SBW shifter control module, Trailer lighting control unit (via reverse relay circuit (built into the under-dash fuse/relay box)) *1: With navigation
*2: Without navigation
*3: With DPMS
*4: With automatic dimming inside mirror
*5: With parking and back-up sensor control unit
C30 --- Not used  
C31 7.5 A Starter cut relay 1, Starter cut relay 2  
C32 7.5 A Front passenger's airbag CUTOFF indicator  
C33 10 A Front passenger's door lock actuator,

Right rear door lock actuator

 
C34 10 A Driver's door lock actuator  
C35 10 A Driver's door lock actuator  
C36 20 A Front up-down motor (via driver's power seat adjustment switch)* 2,

Power seat control unit* 1,

Slide motor (via driver's power seat adjustment switch)* 2

*1: With DPMS
*2: With power seat and without DPMS
C37 10 A MICU  
C38 10 A MICU  
C39 7.5 A Keyless access/TPMS control unit  
C40 7.5 A Console accessory power socket relay,

Front accessory power socket relay,

DC-DC converter ACC relay, TCM, Wireless charger*

*: With wireless charger
C41 10 A Left rear door lock actuator  
C42 --- Not used